Using Biochar and Lactobacillus Plantarum to Clean Heavy Metal Contaminated Soil
Author Information
Author(s): Zhu Guangxu, Li Yufeng, Cheng Dandan, Chen Rongkun, Wang Yunyan, Tu Qiang, Efremenko Elena
Primary Institution: College of Biology and Environment Engineering, Guiyang University, Guiyang, China
Hypothesis
Can the combination of distiller’s grains biochar and Lactobacillus plantarum improve soil quality and plant growth in heavy metal contaminated soils?
Conclusion
The study found that using distiller’s grains biochar and Lactobacillus plantarum significantly improved soil properties and reduced heavy metal accumulation in plants.
Supporting Evidence
- The application of biochar and Lactobacillus plantarum improved soil fertility indicators significantly.
- Heavy metal levels in the soil were reduced by over 60% with the right treatments.
- Plant growth metrics such as height and biomass increased significantly with the treatments.
- Chlorophyll content in plants was enhanced, indicating better photosynthetic activity.
- Enzyme activities in the soil were positively affected by the treatments.
Takeaway
This study shows that adding special materials like biochar and bacteria can help clean dirty soil and make plants grow better.
Methodology
Potted experiments were conducted with different treatments of biochar and Lactobacillus plantarum, measuring soil and plant responses over two months.
Limitations
The study was limited to specific soil types and plant species, and the long-term effects of the treatments were not assessed.
Statistical Information
P-Value
p ≤ 0.05
Statistical Significance
p ≤ 0.05
Digital Object Identifier (DOI)
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